<template>
  <div>
<!--    面包屑导航区域-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

<!--    卡片-->
    <el-card class="box-card">

<!--      搜索与添加区域-->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
<!--        添加用户-->
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>

<!--      用户表格区域-->
      <el-table :data="userlist" :stripe="true" border>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
<!--        开关按钮与状态相关联-->
        <el-table-column label="状态" prop="mg_state">
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
<!--            修改按钮-->
            <el-tooltip effect="dark" content="修改" placement="top">
              <el-button type="primary" icon="el-icon-edit" size="mini" :enterable="false" @click="showEditDialog(scope.row.id)"></el-button>
            </el-tooltip>
<!--            删除按钮-->
            <el-tooltip effect="dark" content="删除" placement="top">
              <el-button type="danger" icon="el-icon-delete" size="mini" :enterable="false" @click="removeUserById(scope.row.id)"></el-button>
            </el-tooltip>
<!--            分配角色按钮-->
            <el-tooltip effect="dark" content="分配角色" placement="top">
              <el-button type="warning" icon="el-icon-setting" size="mini" :enterable="false"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
<!--      分页区域-->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>
    </el-card>
<!--    添加用户的对话框-->

    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%" @close="addDialogClosed">
<!--      内容主体区-->
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password" show-password type="password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
<!--              底部按钮区域-->
      <span slot="footer" class="dialog-footer">
    <el-button @click="addDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="addUser">确 定</el-button>
  </span>
    </el-dialog>
<!--    编辑修改用户的对话框-->
    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisible"
      width="50%" @close="editDialogClosed">
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
    <el-button @click="editDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="editUser">确 定</el-button>
  </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data () {
    return {
      // 获取用户列表的参数对象
      queryInfo: {
        query: '',
        // 当前页数
        pagenum: 1,
        pagesize: 2
      },
      userlist: [],
      total: 0,
      // 控制添加用户对话框的显示与隐藏
      addDialogVisible: false,
      // 添加用户的表单数据
      addForm: {
        username: '',
        password: '',
        email: '',
        phone: ''
      },
      addFormRules: {
        username: [
          {
            required: true, message: '请输入用户名', trigger: 'blur'
          },
          {
            min: 3, max: 10, message: '用户名长度在3~10个字符间', trigger: 'blur'
          }
        ],
        password: [
          {
            required: true, message: '请输入密码', trigger: 'blur'
          },
          {
            min: 6, max: 15, message: '密码长度在6~15个字符间', trigger: 'blur'
          }
        ],
        email: [
          {
            required: true, message: '请输入邮箱', trigger: 'blur'
          }
        ],
        mobile: [
          {
            required: true, message: '请输入手机号', trigger: 'blur'
          },
          {
            min: 11, max: 11, message: '手机长度为11位', trigger: 'blur'
          }
        ]
      },
      // addFormRef: {},
      editDialogVisible: false,
      // 查询到的用户信息
      editForm: {},
      // 修改表单的验证规则
      editFormRules: {
        email: [
          { require: true, message: '修改邮箱不能为空', trigger: 'blur' }
        ],
        mobile: [
          { require: true, message: '修改手机号不能为空', trigger: 'blur' },
          { min: 11, max: 11, message: '手机号长度为11', trigger: 'blur' }
        ]
      }
    }
  },
  created () {
    this.getUserList()
  },
  methods: {
    async getUserList () {
      const { data: res } = await this.$http.get('users', { params: this.queryInfo })
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户列表失败!')
      }
      this.userlist = res.data.users
      this.total = res.data.total
      console.log(res)
    },
    // 监听 pagesize 改变的事件
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    // 监听页码值改变的事件
    handleCurrentChange (newPage) {
      console.log(newPage)
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 监听switch开关状态的改变
    async userStateChanged (userInfo) {
      console.log(userInfo)
      const { data: res } = await this.$http.put(`users/${userInfo.id}/state/${userInfo.mg_state}`)
      if (res.meta.status !== 200) {
        userInfo.mg_state = !userInfo.mg_state
        return this.$message.error('更新用户状态失败！')
      }
      this.$message.success('更新用户状态成功!')
    },
    // 监听添加用户对话框的关闭事件
    addDialogClosed () {
      this.$refs.addFormRef.resetFields()
    },
    // 点击按钮，添加新用户
    addUser () {
      this.$refs.addFormRef.validate(async valid => {
        // console.log(valid)
        if (!valid) return
        // 调用接口进行用户添加
        const { data: res } = await this.$http.post('users', this.addForm)
        if (res.meta.status !== 201) {
          return this.$message.error('添加用户失败！')
        }
        this.$message.success('添加用户成功!')
        // 隐藏添加用户的对话框
        this.addDialogVisible = false
        // 重新获取用户列表数据
        this.getUserList()
      })
    },
    // 修改用户信息的对话框
    async showEditDialog (id) {
      // console.log(id)
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('查询用户信息失败')
      }
      this.editForm = res.data
      this.editDialogVisible = true
    },
    // 监听编辑用户对话框的关闭事件
    editDialogClosed () {
      this.$refs.editFormRef.resetFields()
    },
    // 点击按钮，修改用户信息
    editUser () {
      this.$refs.editFormRef.validate(async valid => {
        // console.log(valid)
        if (!valid) return
        // 调用接口进行用户信息修改
        const { data: res } = await this.$http.put('users/' + this.editForm.id, {
          email: this.editForm.email,
          mobile: this.editForm.mobile
        })
        if (res.meta.status !== 200) {
          return this.$message.error('更新用户信息失败！')
        }
        this.$message.success('更新用户信息成功!')
        // 隐藏添加用户的对话框
        this.editDialogVisible = false
        // 重新获取用户列表数据
        this.getUserList()
      })
    },
    // 根据id删除对应的用户信息
    async removeUserById (id) {
      // console.log(id)
      const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }
      ).catch(err => err)
      // 若用户确认删除，则返回值为字符串 confirm
      // 若取消删除，返回 cancel
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      // console.log('确认删除')
      const { data: res } = await this.$http.delete('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除用户失败！')
      }
      this.$message.success('删除用户成功!')
      this.getUserList()
    }
  }
}
</script>

<style lang="less" scoped>
</style>
